Table 3: Indicative cost/benefits for the case study library

Building type

Benchmark building capital cost
$/m2

ESD building capital cost
$/m2

ESD building premium (saving)
$/m2

ESD building premium (saving)
%

Annual energy cost savings
$/m2

Annual water cost savings
$/m2

Total annual cost savings
$/m2

Simple payback
(years)

20-year NPV for ESD measures
$/m2